@import"../../assets/css/reset.css";
@import"../../assets/css/common.css";
#mydiv {
    background-color: rgba(0,0,0,0.9);
    width: 100%;
    min-width: 1200px;
    z-index: 10;
}
header{
    position: absolute;
}
main{
    position: relative;
    z-index: 20;
    
    #mydiv canvas {
        z-index: 100 ;
        position: absolute ;
    }
    .help{
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        min-width: 1200px;
        height: 290px;
        text-align: center;
        padding-top: 80px;
        color: #fff;
    }
    }
}